Home / 2,840,786.90-3,920,265.93-1,551,627.62

Finding the Fourth Proportional to 2,840,786.90, 3,920,265.93 and 1,551,627.62

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Solution

The fourth proportional to 2,840,786.90, 3,920,265.93 and 1,551,627.62 is: 2,141,235.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,840,786.90 : 3,920,265.93 = 1,551,627.62 : x
  2. Step 2: Convert to fraction form
    2,840,786.90/3,920,265.93 = 1,551,627.62/x
  3. Step 3: Cross multiply
    2,840,786.90x = 3,920,265.93 × 1,551,627.62
  4. Step 4: Simplify right side
    2,840,786.90x = 6,082,792,894,732.99
  5. Step 5: Solve for x
    x = 6,082,792,894,732.99/2,840,786.90
  6. Step 6: Final answer
    x = 2,141,235.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.